Revert "Add Uri.replace which creates a new Uri with the same fields as the original, but with some…

sdk/lib/core/uri.dart

Index: sdk/lib/core/uri.dart
diff --git a/sdk/lib/core/uri.dart b/sdk/lib/core/uri.dart
index c4dc8d94832b98d52e2bfd7955288f95f2665c59..ce9c8bb89be3617310461cd6d1af6181acfdc334 100644
--- a/sdk/lib/core/uri.dart
+++ b/sdk/lib/core/uri.dart
@@ -819,101 +819,6 @@ class Uri {
   }
 
   /**
-   * Returns a new `Uri` based on this one, but with some parts replaced.
-   *
-   * This method takes the same parameters as the [new Uri] constructor,
-   * and they have the same meaning.
-   *
-   * At most one of [path] and [pathSegments] must be provided.
-   * Likewise, at most one of [query] and [queryParameters] must be provided.
-   *
-   * Each part that is not provided will default to the corresponding
-   * value from this `Uri` instead.
-   *
-   * This method is different from [Uri.resolve] which overrides in a
-   * hierarchial manner,
-   * and can instead replace each part of a `Uri` individually.
-   *
-   * Example:
-   *
-   *     Uri uri1 = Uri.parse("a://b@c:4/d/e?f#g");
-   *     Uri uri2 = uri1.replace(scheme: "A", path: "D/E/E", fragment: "G");
-   *     print(uri2);  // prints "A://b@c:4/D/E/E/?f#G"
-   *
-   * This method acts similarly to using the `new Uri` constructor with
-   * some of the arguments taken from this `Uri` . Example:
-   *
-   *     Uri uri3 = new Uri(
-   *         scheme: "A",
-   *         userInfo: uri1.userInfo,
-   *         host: uri1.host,
-   *         port: uri1.port,
-   *         path: "D/E/E",
-   *         query: uri1.query,
-   *         fragment: "G");
-   *     print(uri3);  // prints "A://b@c:4/D/E/E/?f#G"
-   *     print(uri2 == uri3);  // prints true.
-   *
-   * Using this method can be seen as a shorthand for the `Uri` constructor
-   * call above, but may also be slightly faster because the parts taken
-   * from this `Uri` need not be checked for validity again.
-   */
-  Uri replace({String scheme,
-               String userInfo,
-               String host,
-               int port,
-               String path,
-               Iterable<String> pathSegments,
-               String query,
-               Map<String, String> queryParameters,
-               String fragment}) {
-    if (scheme == null) {
-      scheme = this.scheme;
-    } else {
-      scheme = _makeScheme(scheme, scheme.length);
-    }
-    if (userInfo == null) {
-      userInfo = this.userInfo;
-    } else {
-      userInfo = _makeUserInfo(userInfo, 0, userInfo.length);
-    }
-    if (host == null) {
-      host = this.host;
-    } else {
-      host = _makeHost(host, 0, host.length, false);
-    }
-    if (port == null) {
-      port = this.port;
-    }
-
-    bool ensureLeadingSlash = (host != "" || scheme == "file");
-    if (path == null && pathSegments == null) {
-      path = this.path;
-      if (ensureLeadingSlash && !path.isEmpty && !path.startsWith('/')) {
-        path = "/$path";
-      }
-    } else {
-      path = _makePath(path, 0, _stringOrNullLength(path), pathSegments,
-                       ensureLeadingSlash);
-    }
-
-    if (query == null && queryParameters == null) {
-      query = this.query;
-    } else {
-      query = _makeQuery(query, 0, _stringOrNullLength(query), queryParameters);
-    }
-
-    if (fragment == null) {
-      fragment = this.fragment;
-    } else {
-      fragment = _makeFragment(fragment, 0, fragment.length);
-    }
-
-    return new Uri._internal(
-        scheme, userInfo, host, port, path, query, fragment);
-  }
-
-  /**
    * Returns the URI path split into its segments. Each of the
    * segments in the returned list have been decoded. If the path is
    * empty the empty list will be returned. A leading slash `/` does